Ayush Vatsa <ayushvatsa1810@gmail.com> writes:
> So actually I wanted to modify and playaround with the code,
> hence I am using the github repo and building postgres from it.
Seems reasonable. The tip of master branch is occasionally broken,
but seldom for very long, and none of our buildfarm animals are
reporting failures like this. It looks to me like there is something
wrong with your libicu installation --- perhaps headers out of sync
with shared library?
regards, tom lane